PROGRAM reserved
ENDDO reserved
ENDIF reserved
ENDPROGRAM reserved
IF reserved
DO reserved
ELSE reserved
SELECT reserved
CASE reserved
DEFAULT reserved
WHILE reserved
INTEGER reserved
REAL reserved
PARAMETER reserved
DIMENSION reserved
CHAR reserved
LOGICAL reserved
FUNCTION reserved
CALL reserved
CONTAINS reserved
SUBROUTINE reserved
READ reserved
WRITE reserved
POW reserved
SQRT reserved
MOD reserved
.NOT. OP_LOGIC
.AND. OP_LOGIC
.OR. OP_LOGIC
.TRUE. Boolean
.FALSE. Boolean